{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5SMC56CA M6G","brand":"Taiwan Semiconductor Corporation","brandSlug":"taiwan-semiconductor-corporation","productSlug":"1.5SMC56CA-M6G","canonicalUrl":"https://icboms.com/taiwan-semiconductor-corporation/1.5SMC56CA-M6G","factsUrl":"https://icboms.com/api/mcp/products/1.5SMC56CA%20M6G","rawCanonicalId":null},"summary":{"shortDescription":"Taiwan Semiconductor Corporation, 1.5SMC series, bidirectional TVS Zener diode, 1.5SMC56CA M6G, 47.8V reverse standoff, 77V clamping max @ 20A, 1500W peak pulse, DO-214AB SMC surface mount, -55°C to 150°C junction, Tape & Reel.","salesMarkdown":"## Transient suppression in the SMC package The 1.5SMC56CA M6G: At 20 A peak pulse current the clamping ceiling sits at 77 V maximum, which means the downstream circuit sees a hard clamp rather than a soft limiting action when a surge hits. For a board carrying 47.8 V nominal rail voltage, a 77 V clamp gives roughly 30 V of headroom above the working rail — enough margin to absorb the bulk of a surge transient without letting the clamping element go into thermal runaway. The reverse standoff of 47.8 V typ marks where the TVS presents a high-impedance leak to the rail under normal operation; it only transitions into conduction when the transient pushes the rail above that threshold. The 53.2 V minimum breakdown is the floor — the device is guaranteed not to clamp below it. For a repair bench tech, this means the part sits quietly across the rail until something external tries to kill it — and then it holds the rail at 77 V or below while absorbing the surge energy. ## DO-214AB thermal margin for 1.5 kW pulse duty Junction temperature is rated to 150 °C maximum. The -55 °C minimum means this part lives in outdoor equipment, industrial controls, and automotive environments where a cold-soak start at temperature extremes is normal before the transient suppressor sees any load. ## What the standoff voltage and clamping ratio tell you A 47.8 V standoff paired with a 77 V maximum clamping voltage gives a tight clamping ratio — lower than many unidirectional TVS parts of equivalent peak power, which matters if your downstream IC has an absolute maximum rating you cannot exceed. The bidirectional configuration is explicitly confirmed: one bidirectional channel means it clamps both polarities without a second part or a bridge arrangement. For an AC line or any bipolar bus, one device covers both halves of the waveform. The base product number 1.5SMC56 maps to the 56 V nominal Zener voltage — the CA suffix confirms the bidirectional polarity grade. Tape & Reel packaging is standard for SMC; confirm the reel quantity and diameter match your pick-and-place tooling before committing to a BOM position.","metaTitle":"1.5SMC56CA M6G — 1500W TVS Diode, 47.8V Standoff, DO-214AB","metaDescription":"Taiwan Semiconductor 1.5SMC56CA M6G, 1500W peak pulse TVS diode in DO-214AB SMC. Bidirectional, 47.8V standoff, 77V clamping max. Active status.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Circuit Protection"],"specifications":{"Mfr":"Taiwan Semiconductor Corporation","Type":"Zener","Series":"1.5SMC","Package":"Tape & Reel (TR)","Applications":"General Purpose","Mounting Type":"Surface Mount","Package / Case":"DO-214AB, SMC","lifecycle_stage":"unknown","Power - Peak Pulse":"1500W (1.5kW)","Base Product Number":"1.5SMC56","Operating Temperature":"-55°C~150°C(TJ)","Power Line Protection":"No","Bidirectional Channels":"1","Capacitance @ Frequency":"-","Supplier Device Package":"DO-214AB (SMC)","Voltage - Breakdown (Min)":"53.2V","Voltage - Clamping (Max) @ Ipp":"77V","Voltage - Reverse Standoff (Typ)":"47.8V","Current - Peak Pulse (10/1000µs)":"20A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/1.5SMC56CA%20M6G/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 1.5SMC56CA M6G and how do I get a price?","answer":"Active parts in the 1.5SMC series carry no last-time-buy window, so a normal BOM order for new production is straightforward to quote."},{"question":"What does the 1.5SMC56CA M6G's bidirectional rating mean for circuit protection?","answer":"Bidirectional means it clamps both positive and negative voltage transients on the same two terminals — one part handles both polarities without needing a second diode or a bridge configuration. This makes it suitable for AC lines and bipolar bus rails where polarity flips are normal operation, not just fault conditions."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/taiwan-semiconductor-corporation/1.5SMC56CA-M6G","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/taiwan-semiconductor-corporation/1.5SMC56CA-M6G when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:49:49.435Z","lastPublished":"2026-08-11T15:49:49.435Z","indexable":true}}